Équations équilibrées la veille |
Sr(CN)2 = Sr + 2 CN
(NH4)2S + HNO3 = (NH4)NO3 + H2O + S =>
4(NH4)2S + 10 HNO3 = 9(NH4)NO3 + 3 H2O + 4 S
KHF2 = KF + H2 + F2 =>
2 KHF2 = 2 KF + H2 + F2
MnO2 = MnO + O2 =>
2 MnO2 = 2 MnO + O2
C2H2 + Br = C2H2Br2 =>
C2H2 + 2 Br = C2H2Br2
KMnO4 + Na2SnO2 + H2O = MnO2 + Na2SnO3 + KOH =>
2 KMnO4 + 3 Na2SnO2 + H2O = 2 MnO2 + 3 Na2SnO3 + 2 KOH
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Cu + S = CuS =>
Cu + S = CuS
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
ZnF2(aq) + PBr3(aq) = PF3(aq) + ZnBr2(aq) =>
3 ZnF2(aq) + 2 PBr3(aq) = 2 PF3(aq) + 3 ZnBr2(aq)
Sn + HCl = H + SnCl =>
Sn + HCl = H + SnCl
FeCl2 + HCl + HNO3 = FeCl3 + NO + H2O =>
3 FeCl2 + 3 HCl + HNO3 = 3 FeCl3 + NO + 2 H2O
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
CCl4 + SbF3 = CCl2F2 + SbCl3 =>
3 CCl4 + 2 SbF3 = 3 CCl2F2 + 2 SbCl3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ag(NO3) + NaCl = AgCl + Na(NO3) =>
Ag(NO3) + NaCl = AgCl + Na(NO3)
BaO + H2O = Ba(OH)2 =>
BaO + H2O = Ba(OH)2
HBr + KOH = BrOH + HK =>
HBr + KOH = BrOH + HK
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
B4C + O2 = CO2 + B2O3 =>
B4C + 4 O2 = CO2 + 2 B2O3
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
Cu + CaCl2 = CuCl2 + Ca =>
Cu + CaCl2 = CuCl2 + Ca
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Sr(CN)2 + AlF3 = SrF2 + Al(CN)3 =>
3 Sr(CN)2 + 2 AlF3 = 3 SrF2 + 2 Al(CN)3
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Al2(SO4)3 + KOH = Al(OH)3 + K2 + SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2 + 3 SO4
C3H8 + Cl2 = C3H6 + HCl =>
C3H8 + Cl2 = C3H6 + 2 HCl
C + S8 = CS2 =>
4 C + S8 = 4 CS2
CaCO3 + HNO3 = CaCO3HNO3 =>
CaCO3 + HNO3 = CaCO3HNO3
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaCl + NaOH = NaH + NaClO =>
NaCl + NaOH = NaH + NaClO
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
KClO3 + SO2 = KCl + SO3 =>
KClO3 + 3 SO2 = KCl + 3 SO3
CH3NH2 + NH3 = CH4NH2 + NH2 =>
CH3NH2 + NH3 = CH4NH2 + NH2
H2SO3 + Mg = Mg(SO3)2 + H =>
2 H2SO3 + Mg = Mg(SO3)2 + 4 H
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
Co + Cl2 + KOH = Co(OH) + KCl =>
2 Co + Cl2 + 2 KOH = 2 Co(OH) + 2 KCl
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
HNO3 + H3AsO3 = NO + H3AsO4 + H2O =>
2 HNO3 + 3 H3AsO3 = 2 NO + 3 H3AsO4 + H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
HCOOH + NaOH = COOHNa + H2O =>
HCOOH + NaOH = COOHNa + H2O
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O =>
Ba(OH)2 + KHCO3 = BaCO3 + KOH + H2O
C + SO2 = CS2 + CO =>
5 C + 2 SO2 = CS2 + 4 CO
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